.monaco-tree-editor .left-sider-bar {
  position: relative;
  background-color: var(--monaco-bg-sysbar);
  color: var(--monaco-text-sysbar-button);
  width: 50px;
  height: 100%;

  .left-sider-bar-item {
    cursor: pointer;
    height: 50px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-left-style: solid;
    border-right-style: solid;
    border-color: rgba(0, 0, 0, 0);
    border-left-width: 3px;
    border-right-width: 3px;

    svg,
    span {
      height: auto;
      width: 24px;
    }

    &:hover {
      color: var(--monaco-text-sysbar-button-hover);
    }
  }

  .left-sider-bar-item.active {
    color: var(--monaco-text-sysbar-button-hover);
    border-left-color: var(--monaco-text-sysbar-button-hover);
  }
}
